Ramona Quimby Series Author:Beverly Cleary By Beverly Cleary. Adventure is the name of the game for Ramona Quimby! The journey begins when Ramona is four and her older sister, Beezus, is just turning ten. Join Ramona on her many adventures and mishaps as she develops from a curious kindergartener to a ripe fourth grader. 192 to 224 pages each. Grades 3-7.